Water Quality in FORT HARRISON, MT (59636)
EPA violation data for public water systems serving ZIP code 59636.
33
Total Violations
12
Health-Based
21
Monitoring / Reporting
33
Resolved
What does this mean?
33 of 33 violations have been resolved. 12 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 21 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (33 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Nov 30, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.061 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.061 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.061 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.061 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.061 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.061 | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
Violation Timeline
2024(3)
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
2022(27)
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
TTHM
27
TTHM
27
TTHM
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
How Does This Compare?
FORT HARRISON (59636) has 33 recorded violations, including 12 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.